Amplifier Research 175A400

| Attribute | Value |
|---|---|
| Frequency Range | 10 kHz – 400 MHz |
| Output Power | 175 Watts CW (minimum) |
| Gain | 55 dB (minimum) |
| Input Power for Rated Output | 0 dBm (1 mW) |
| Output VSWR | 2.0:1 (maximum, any phase angle) |
| Harmonic Distortion | -10 dBc (maximum at rated output) |
| Input Impedance | 50 Ohms nominal |
| Output Impedance | 50 Ohms nominal |
| Power Requirements | 220 VAC, 47–63 Hz, Single Phase |
| Cooling Method | Forced air cooling (internal fans) |
Amplifier Research 175A400 Options:
- 175A400 - F - RF Input Connector Location: Front
- 175A400 - R - RF Input Connector Location: Rear
- 175A400 - F - RF Output Connector Location: Front
- 175A400 - R - RF Output Connector Location: Rear
- 175A400 - E - Enclosure (Cabinet included)
- 175A400 - NE - No Enclosure (Cabinet removed, for rack mounting)
| Model | 175A400 |
|---|
The Amplifier Research 175A400 delivers a minimum of 175 watts of RF power across 10kHz to 400MHz, featuring an RF input leveling circuit for overdrive protection and an over-temperature safeguard. It is designed in a contemporary benchtop cabinet, with optional rack-mount configuration.
Equipped with a Digital Control Panel (DCP), the 175A400 offers both local and remote management. Its Remotes Package includes GPIB/IEEE-488, RS-232, USB, Ethernet, and fiber optic interfaces, plus a safety interlock circuit.
Testwall can supply the used Amplifier Research 175A400, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Amplifier Research 175A400.




